TL4050B50QDBZR

Overview

The TL4050B50QDBZR is a precision micropower shunt voltage reference manufactured by Texas Instruments. It provides a fixed output voltage of 5 V with an initial accuracy of ±0.2%. The device operates within a temperature range of -40°C to +125°C and features a temperature coefficient of 50 ppm/°C. It supports a maximum cathode current of 15 mA while maintaining a low quiescent current of 90 µA. The component is housed in a compact SOT-23-3 surface-mount package and meets AEC-Q100 automotive qualification standards.

Feature Summary

• Automotive-grade reliability certified under AEC-Q100 standards for robust performance in vehicle environments
• High precision voltage regulation with tight initial tolerance ensuring accurate reference signals
• Micropower operation capability designed to minimize energy consumption in battery-powered systems

Applications

• Automotive sensor signal conditioning circuits requiring stable reference voltages
• Data acquisition systems utilizing analog-to-digital converters
• Portable instrumentation devices demanding low power consumption

Procurement Notes

Verify the specific suffix codes on the datasheet to confirm the exact packaging configuration and temperature grade intended for your design. Ensure that the ordering documentation explicitly references the AEC-Q100 qualification status if automotive compliance is required for your project specifications.

Selection Notes

Select this component when designing circuits that require high accuracy combined with low power consumption in space-constrained applications. The SOT-23-3 package offers a compact footprint suitable for dense PCB layouts, while the wide operating temperature range ensures functionality across diverse environmental conditions.

Part Context

This part belongs to the TL4050 family of precision shunt voltage references from Texas Instruments. The family includes various output voltages and accuracy grades tailored for different industrial and automotive needs. The QDBZR suffix indicates the automotive qualification level and reel packaging format used for automated assembly processes.

Replacement Considerations

Consult official substitution guides for compatible parts within the same voltage reference family or alternative manufacturers offering equivalent AEC-Q100 qualified shunt regulators with matching pinouts and electrical characteristics.